100 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



SPINUS PINUS MACROPTERUS ( Du Bus). 

 MEXICAN PINE SISKIN. 



Similar to *S'. j9. lylaus but with decidedly longer wings and tail, and 

 usually with the under parts less distincth' streaked. 



Adult ?/irtZ^.— Length (skins), 115.06-123.19 (117.85); wing, 75.44- 

 78.23 (76.71); tail, 46.48-48.26 (47.50); exposed culmen, 10.16-11.18 

 (10.92); depth of bill at base, 6.86-7.11 (7.11); tarsus, 12.70-14.22 

 (13.72); middle toe, 10.92-11.18 (11.18).^ 



Adult female. — Length (skin), 119.38; wing, 78.23; tail, 48.26; ex- 

 posed culmen, 10.67; depth of bill at base, 6.86; tarsus, 14.73; middle 

 toe, 11.68.' 



Higher mountains of southern Mexico, in States of Vera Cruz (Las 

 Vigas, Jalapa, etc.), Puebla (Mount Orizaba), Mexico (Salazar), Zaca- 

 tecas (San Juan Capistrano). and Michoacan (Patzcuaro). 



C.\)injsomhr'is'\ laacroptera Bonaparte, Consp. Av., i, 1850, 515 (Guatemala; Mex- 

 ico; ex " Carduelis maavptera Dubus, Esq., Orn. t. 23," ined.). 



tSjiinus pinus macropterus Chapman, Auk, xvi, July, 1897, 311 (Las Vigas, Vera 

 Cruz, Mexico, alt. 8,000 ft. ; Am. Mus. X. H. ) ; Bull. Am. Mus. N. H., x, 1898, 

 42 (Las Vigas, breeding) . 



Chrysomitris pinus (not FringlUa pinus Wilson) Sclater, Proc. Zool. Soc. Lond., 

 1864, 174 (valley of Mexico). — Sclater and Salvin, Proc. Zool. Soc. Lond., 

 1869, 362 (City of Mexico).— Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 

 550 (plateau and alpine region of Vera Cruz) . — Baird, Brewer, and Ridg- 

 AVAY, Hist. X. Am. Birds, i, 1874, 480, part (Mexico).— Coues, Birds X. W., 

 1874, 115, part (Mexico). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 

 1886, 428, chiefly (Mexican references and localities). — ^Sharpe, Cat. Birds 

 Brit. Mus., xii, 1888, 227 part (Jalapa, Vera Cruz). 



[Chri/somitris'] pinus Sclater and Salvin, Xom. Av. Xeotr., 1^73, 34. 



Spinus 2:>inus American Ornithologists' L'nion, Check List, 1886, no. 533, part 

 (Mexico) . 



S.\_pinus'\ jnnns HiDGw AY, ^lan. X'. Am. Birds, 1887, 400, part (Mexico). 



SPINUS ATRICEPS (Salvin). 

 GUATEMALAN PINE SISKIN. 



Adult male. — Entire pileum uniform black; back, scapulars, rump, 

 upper tail-coverts, and lesser wing-coverts plain dark olive-green; 

 under parts paler olive-green, the chin and upper part of throat suf- 

 fused with dull blackish; under tail-coverts yellow, with distinct mesial 

 streaks of blackish; greater wing-coverts with basal half (of exposed 

 portion) black, the terminal half bright olive-green; tertials black, 

 broadly edged and tipped with olive-green; secondaries black, with 

 terminal half or more edged with olive-green; primaries black, nar- 

 rowly edged with olive-green, and with a basal patch of bright A'ellow, 



' Four specimens. ^ One specimen. 



